Home / 72,425,604.75-100,210,523.52-63,152,511.54

Finding the Fourth Proportional to 72,425,604.75, 100,210,523.52 and 63,152,511.54

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Solution

The fourth proportional to 72,425,604.75, 100,210,523.52 and 63,152,511.54 is: 87,379,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425,604.75 : 100,210,523.52 = 63,152,511.54 : x
  2. Step 2: Convert to fraction form
    72,425,604.75/100,210,523.52 = 63,152,511.54/x
  3. Step 3: Cross multiply
    72,425,604.75x = 100,210,523.52 × 63,152,511.54
  4. Step 4: Simplify right side
    72,425,604.75x = 6,328,546,243,026,241
  5. Step 5: Solve for x
    x = 6,328,546,243,026,241/72,425,604.75
  6. Step 6: Final answer
    x = 87,379,957.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.